What to Look for in a Baby Rash Guard for Swimming

Quick answer

Focus on UPF-rated fabric, a snug but comfortable fit, and quick-drying material. For the upcoming season, consider a pre-order rash guard to secure the right size and color.

Why UPF rating matters for baby skin

A baby’s skin is more sensitive to UV rays than adult skin. Look for a rash guard with a UPF 50+ rating, which blocks about 98% of UVA and UVB rays. This is the highest standard for sun-protective clothing and gives you peace of mind during pool or beach outings.

Not all rash guards are created equal—check the label or product description for the UPF value. If the rating isn’t listed, the garment may only provide basic coverage, not true sun protection.

Fabric and comfort trade-offs

Rash guards are typically made from nylon, polyester, or a blend with spandex for stretch. Nylon dries quickly and feels soft, while polyester is more durable and resistant to chlorine. Both are good choices, but nylon tends to be more comfortable for extended wear.

A pre-order item like the Blue Rash Guard from Mebie Baby uses a swim-friendly fabric that balances stretch and durability. Since it’s a pre-order, you can plan ahead for the next swim season without last-minute shopping stress.

Fit: snug but not restrictive

A rash guard should fit close to the body to prevent fabric from floating up and reducing sun protection. However, it shouldn’t be so tight that it restricts movement or causes discomfort. Look for raglan sleeves or flatlock seams to reduce chafing.

Sizing can be tricky with pre-orders because you’re ordering months in advance. Check the size chart and consider ordering a size up if your baby is between sizes or likely to have a growth spurt before the item ships.

How to choose the right baby rash guard

• Check the UPF rating: Look for UPF 50+ on the label or product description. This is the highest sun-protection rating for clothing.
• Choose the right fabric: Nylon blends are soft and quick-drying, while polyester blends resist chlorine better. For long days in the water, nylon is often more comfortable.
• Get the fit right: The rash guard should be snug but not tight. Check the size chart and consider ordering a size up if you’re between sizes or expecting growth before the item ships. With pre-orders, order early and plan for growth to avoid a too-small rash guard when it arrives.

Product spotlight

• Blue Rash Guard (Pre-Order): This blue rash guard is part of the Resort/Swim Collection 2027 Pre-Order, available until September 1st and expected to ship in January. Ordering now ensures you have a UPF-protective rash guard ready for the next swim season, but you need to plan sizes carefully since it ships months later.

  

Who is this rash guard for?

Best for

• Parents who want to plan ahead for next summer’s swim season
• Babies who need reliable sun protection during water play

Not ideal for

• Parents who need a rash guard immediately (pre-order items ship months later)
• Families who prefer to try on swimwear before buying (pre-orders are final)